.App {
    width: 100%;
    height: 100%;
    header {
        width: 100%;
        height: 10vh;
        display: flex;
        justify-content: space-around;
        align-items: center;
        input {
            width: 60%;
            height: 6vh;
        }
        button {
            width: 20%;
            height: 5vh;
            background-color: darkorange;
            color: white;
        }
    }
    .box {
        width: 100%;
        height: 82vh;
        overflow: auto;
        p {
            padding:10px 0;
            box-sizing: border-box;
            border: 1px solid gray;
            span {
                display: inline-block;
                width: 80%;
            }
            button{
                border: 0;
                height: 100%;
            }
        }
    }
    .foot {
        display: flex;
        justify-content: space-between;
        div {
            flex: 1;
            text-align: center;
        }
    }
}